Do not use anything more abrasive to scrub the porcelain like a sponge or brush since this could damage it.
Clean black ceramic dishes.
Cleaning your corningware with a dishwashing detergent is optional and may not be necessary.
For an additional clean squeeze a small amount of detergent into your dish with some warm water.
Scrub your dish with a nylon mesh pad to remove any remaining residue before you rinse and dry it.
2 do not heat in oven.
Clean ceramic tile floors with warm water or a mixture of warm water and a few drops of mild dish soap.
Dawn dish soap or another soap without dyes or scents are best.
Morning glory antiques recommends cleaning the dishes using soap and warm water.
Wash and dry one section of the floor at a time.
If the stain is old oil based substance e g grease it can melt and spread under the glaze creating a larger stain.
Clean your dish with a dishwashing detergent.
Scrub the dishes with a washcloth.
How to remove black marks from pfaltzgraff dinner ware.
If your corningware has gray and black utensil marks or burnt on grease there s no need to worry.
Use this method on wood tile floors which are made of ceramic or porcelain tile designed to resemble wood.
Corningware is a brand of ceramic bakeware usually in white that you can place in the oven the freezer the microwave and the dishwasher.
Add fresh water frequently to avoid cleaning with dirty water.
Bleach or chlorine may remove the stains but also can damage your ceramic item as illustrated below.
For all these uses you need to take care to keep it looking its best.